2pcs x Puxing PX-777 PLUS UHF w/ USB Cable & earpiece

General
 Frequency Range:  400-470Mhz
 Channels:  128
 Channel Steps : 5k,10k,6.25k,12.5k,25k 
 Power Supply:  7.2V 1200mah LI-ion
 Operating Temperature:  -20°C ~ +60°C
 Communication Range:  3 ~6km
 Dimension (H x W x D) : 100 x 55.5 x 31mm 
 Weight : 225g
RX Receiver 
 Sensitivity:  <0.20µV 
 Selectivity:  65dB 
 Intermodulation Rejection : 60dB 
 AF Output : 500mW
 Standby Current:  35mA
TX Transmitter
 Power Output:  5W
 Modulation Type : F3E
 Spurious Emission: < -65dB
 Transmit Current:  1300mA/750mA
 Max. Deviation:  ±5kHz
 Modulation Distortion:  < 5% 
 Frequency Stability:  ±2.5ppm